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RegiStar Revision History

Since it was released in May 2000, RegiStar has undergone several revisions and improvements. The current version is 1.0.7. Below is a list of the key new features added in each release.

Version 1.0.7 (released April 2004):

  • The ability to process several images as a batch. An entire directory of images can now be registered using just one Register command. Also, several images can be processed at a time using the expanded Calibrate and Crop/Pad commands.
  • The ability to specify the dimensions of registered images directly in the Register command, instead of through a separate Crop/Pad command.
  • A simpler, more direct licensing system. RegiStar now automatically obtains License Keys by connecting directly to the Auriga Imaging website. Also, if a change to a computer's configuration causes it to require a new License Key, the new key is automatically generated.
  • Better support for multiple-user operating systems such as Windows XP and Windows 2000. All users can run RegiStar after it has been installed by a user who has administrator privileges, with individual users retaining customized program settings.
  • More details

Version 1.0.6 (released April 2002):

  • An enhanced Combine command, with new Median/Mean, Sum, Difference, and Absolute Difference options. In addition, images can now be assigned "weights" in any Combine operation.
  • A Close All item in the File menu, to quickly close all open images.

Version 1.0.5 (released November 2001):

  • A change to the star-detection algorithm so that stars in star maps are better detected, thus improving RegiStar's ability to register stellar images to star maps.

Version 1.0.4 (released October 2001):

  • A "Noise reduction" control in the Registration control dialog which may give improved registration on very noisy images.
  • Improvements to RegiStar's handling of FITS files.
  • Addressing of some issues relating to the Windows 2000 operating system.

Version 1.0.3 (released May 2001):

  • Support for FITS images.
  • Refinements to the RegiStar registration algorithm. RegiStar is now better able to register images that have only a few stars.
  • A new naming system for images created by RegiStar, which makes it easier to see at a glance how an image was created.

Version 1.0.2 (released October 2000):

  • A new Median Combine option.
  • Refinements to the image registration algorithm — RegiStar can now handle even greater levels of noise and image distortion.
  • More robust reading of TIFF images.

Version 1.0.1 (released May 2000):

  • A new Difference view, in addition to the existing Multiple images view.
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